Gorges State Park in Transylvania County will host its third annual Mountain Monarch Festival on Saturday, Sept. 28 from 10 a.m. to 4 p.m. at the park’s visitor center. The festival celebrates the monarch butterfly during its migration and bring attention to the species’ declining numbers.The park lies along the monarchs’ migratory route. The butterflies can be seen in late September each year flying over the park, heading south to the high-elevation fir forests in central-southern Mexico’s Volcanic Belt, where they overwinter until early spring.